About BT Group


21CN

21CN is BT's next generation network - an advanced communications network for the future.

We believe our 21st century network programme is the most ambitious and exciting business transformation programme underway in the global telecommunications industry today.

BT's 21CN vision is radical and groundbreaking. It is designed to empower the end-user with control, choice and flexibility like never before - offering communications from anywhere to any device.

BT believes the investment in 21CN in Wales will underpin the delivery of the Welsh Assembly Government's strategic objectives of creating a knowledge economy, generating growth in key sectors and liberating the potential of Welsh business and people.

In Wales 21CN involves:

  • the migration of 1.23m customer lines, that is around 4.8% of the UK total
  • the replacement of equipment in more than 400 exchange buildings and more than 450 local exchanges
  • total capital investment of 460m, driven by BT's UK wide 21CN investment programme

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